Separating implementation concerns in stencil computations for semiregular grids
In atmospheric and ocean simulation programs, stencil computations occur on semiregular grids where subdomains of the grid are regular (i.e. stored in an array), but boundaries between subdomains connect in an irregular fashion. Implementations of stencils on semiregular grids often have grid connectivity details tangled with stencil computation code. When grid connectivity concerns tangle with stencil code it becomes difficult for programmers to modify the code. This is because any change made will have to account for grid connectivity. In this dissertation we introduce programming abstractions ...
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